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Table 3 Edi Min, Edi Peak, and Respiratory Rate during the various studied statesa,b,c

From: Reference values for diaphragm electrical activity (Edi) in newborn infants

 

N

Edi Min (μV)

Edi Peak (μV)

Respiratory Rate

Feeding states

 Pre-prandial

23

3.01 ± 1.14

(CV 0.38)

9.95 ± 3.82

(CV 0.38)

48.57 ± 7.21

 Post-prandial

23

3.34 ± 1.15

(CV 0.34)

10.89 ± 3.82

(CV 0.35)

48.36 ± 6.16

p-value

 

0.171

0.172

0.883

Resting states

 Asleep

24

2.69 ± 0.82

(CV 0.30)

9.11 ± 2.92

(CV 0.32)

47.37 ± 5.69

 Awake

24

4.07 ± 1.45

(CV 0.36)

13.43 ± 4.49

(CV 0.33)

49.28 ± 6.64

p-value

 

<0.001

<0.001

0.093

Kangaroo Care

 No skin-to-skin care

24

3.04 ± 0.95

(CV 0.31)

10.14 ± 3.53

(CV 0.35)

47.67 ± 5.40

 Skin-to-skin care

3

2.51 ± 0.32

(CV 0.13)

7.01 ± 0.50

(CV 0.07)

55.20 ± 5.79

p-value

 

0.099

0.013

0.198

  1. aData is presented as mean ± standard deviation (coefficient of variation)
  2. bEdi min = minimum electrical activity of the diaphragm
  3. cEdi peak = peak electrical activity of the diaphragm